Can HWIC-1CE1T1-PRI support voice applications

Kris Thompson · ‎11-27-2011

The product sheet and another helpful forum post clearly states that the HWIC-1CE1T1-PRI does NOT support voice applications on the PRI, only data applications. However, running 15.2(1)T when we configure a PRI group, it seems to imply that it can support a voice application with a command option to the PRI-group.

dal-rtr02(config-controller)#pri-group timeslots 1-24

%PRI-group is created for data application only.

%For voice application, please remove this pri-group, then configure pri-group again with voice-dsp option.

What gives? I cannot find this command documented anywhere. What does the "voice-dsp" option for the "pri-group timeslots" do?

Should we assume this card can STILL not be used for SIP/TDM Voice gateway services?

Thanks for any tips/confirmation you can provide.

Kris

Karthik Sivaram · ‎11-30-2011

hi Kris,

Yes what you read in the product data sheet is right . ( why do you doubt it ? )

HWIC-1CE1T1-PRI are for data-isdn and not for voice.

Hope that helps!

Thanks,

Karthik

Kris Thompson · ‎12-02-2011

Understood, but what is this "voice-dsp" option for on the end of the "pri-group timeslots" command?

This seems undocumented.

The router output is confusing and implies you could use the "voice-dsp" option to enable voice application. What is this all about? Best ignored I guess. The customer is now buying the correct hardware.